[机] 辛克莱-贝克型催化重组法

Diesel fuel in the US and the fumes from diesel engines are about to get a whole lot cleaner. As of today, the Environmental Protection Agency is requiring much of the diesel in the country to have 97% less sulfur in it. It's the start of a project

发表于:2019-01-07 / 阅读(123) / 评论(0) 分类 2006年NPR美国国家公共电台

By Ivana Kuhar Washington 27 September 2007 A new report by the World Bank says countries in Eastern Europe and the former Soviet Union, along with emerging markets including China, and India, have made the greatest strides over the past year in term

发表于:2019-01-11 / 阅读(69) / 评论(0) 分类 2007年VOA标准英语(九月)

Volkswagen has devised a new catalytic converter that could fix the majority of the cars in the US affected by the diesel emissions scandal, as details emerge of its attempts to satisfy regulators. 大众汽车(Volkswagen)设计出一种新的催化转

发表于:2019-02-08 / 阅读(79) / 评论(0) 分类 英语新闻